(4) If the association and the park owner cannot agree upon a purchase price, the association shall have the right to purchase the property: (A) If the association matches the essential provisions of any existing bona fide offer to purchase the park made by another potential purchaser which offer by such other purchaser the owner is prepared to accept; or (B) if there is no such offer, at a purchase price to be established by an appraiser chosen by the association and the park owner. If the two parties cannot agree upon one appraiser, either party may notify the other, in writing, of such disagreement, and the association shall choose an appraiser, the park owner shall choose an appraiser, and the two appraisers shall choose a third appraiser, which three appraisers shall establish a value of the park. If the park owner refuses to select an appraiser within fifteen days of such notice, the Commissioner of Consumer Protection shall choose an appraiser for the park owner. The costs of all appraisers shall be paid equally by the association and the park owner. Except as otherwise provided in subdivision